References:

Ancestry.comBirth records: WisconsinCensus Records: US9Death Records: Social Security Death IndexPublic TreesAntigo High School Graduate ListsBirth certificates: Marian KreieDeath Certificates: William Kreie, Elida Kreie, Edward KreieLetter from Margaret Kreie (William's third and last wife)Manitowoc City DirectorsNewspaper records, including articles, obituariesNewton, Wisconsin, history of (Website)Personal collection of memorabiliaPersonal recollection of relatives, friendsPetition for Adoption: Manford KiefertRegistration cards of William Kreie, WW I and IITheda Clark School of Nursing recordsWikipedia: History /population of Antigo and Manitowoc, Wisconsin, History of Chicago & North Western Railway, duties of a fireman and engineer on a steam locomotive, histories of various societies.